Home / 152,428.43-210,338.87-84,448.27

Finding the Fourth Proportional to 152,428.43, 210,338.87 and 84,448.27

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Solution

The fourth proportional to 152,428.43, 210,338.87 and 84,448.27 is: 116,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,428.43 : 210,338.87 = 84,448.27 : x
  2. Step 2: Convert to fraction form
    152,428.43/210,338.87 = 84,448.27/x
  3. Step 3: Cross multiply
    152,428.43x = 210,338.87 × 84,448.27
  4. Step 4: Simplify right side
    152,428.43x = 17,762,753,370.53
  5. Step 5: Solve for x
    x = 17,762,753,370.53/152,428.43
  6. Step 6: Final answer
    x = 116,531.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.